2346 lines
57 KiB
JavaScript
2346 lines
57 KiB
JavaScript
//---------------------------------------------------------------------
|
|
//
|
|
// QR Code Generator for JavaScript
|
|
//
|
|
// Copyright (c) 2009 Kazuhiko Arase
|
|
//
|
|
// URL: http://www.d-project.com/
|
|
//
|
|
// Licensed under the MIT license:
|
|
// http://www.opensource.org/licenses/mit-license.php
|
|
//
|
|
// The word 'QR Code' is registered trademark of
|
|
// DENSO WAVE INCORPORATED
|
|
// http://www.denso-wave.com/qrcode/faqpatent-e.html
|
|
//
|
|
//---------------------------------------------------------------------
|
|
|
|
var qrcode = (function() {
|
|
//---------------------------------------------------------------------
|
|
// qrcode
|
|
//---------------------------------------------------------------------
|
|
|
|
/**
|
|
* qrcode
|
|
* @param typeNumber 1 to 40
|
|
* @param errorCorrectionLevel 'L','M','Q','H'
|
|
*/
|
|
var qrcode = function(typeNumber, errorCorrectionLevel) {
|
|
var PAD0 = 0xec;
|
|
var PAD1 = 0x11;
|
|
|
|
var _typeNumber = typeNumber;
|
|
var _errorCorrectionLevel = QRErrorCorrectionLevel[errorCorrectionLevel];
|
|
var _modules = null;
|
|
var _moduleCount = 0;
|
|
var _dataCache = null;
|
|
var _dataList = [];
|
|
|
|
var _this = {};
|
|
|
|
var makeImpl = function(test, maskPattern) {
|
|
_moduleCount = _typeNumber * 4 + 17;
|
|
_modules = (function(moduleCount) {
|
|
var modules = new Array(moduleCount);
|
|
for (var row = 0; row < moduleCount; row += 1) {
|
|
modules[row] = new Array(moduleCount);
|
|
for (var col = 0; col < moduleCount; col += 1) {
|
|
modules[row][col] = null;
|
|
}
|
|
}
|
|
return modules;
|
|
})(_moduleCount);
|
|
|
|
setupPositionProbePattern(0, 0);
|
|
setupPositionProbePattern(_moduleCount - 7, 0);
|
|
setupPositionProbePattern(0, _moduleCount - 7);
|
|
setupPositionAdjustPattern();
|
|
setupTimingPattern();
|
|
setupTypeInfo(test, maskPattern);
|
|
|
|
if (_typeNumber >= 7) {
|
|
setupTypeNumber(test);
|
|
}
|
|
|
|
if (_dataCache == null) {
|
|
_dataCache = createData(_typeNumber, _errorCorrectionLevel, _dataList);
|
|
}
|
|
|
|
mapData(_dataCache, maskPattern);
|
|
};
|
|
|
|
var setupPositionProbePattern = function(row, col) {
|
|
for (var r = -1; r <= 7; r += 1) {
|
|
if (row + r <= -1 || _moduleCount <= row + r) continue;
|
|
|
|
for (var c = -1; c <= 7; c += 1) {
|
|
if (col + c <= -1 || _moduleCount <= col + c) continue;
|
|
|
|
if (
|
|
(0 <= r && r <= 6 && (c == 0 || c == 6)) ||
|
|
(0 <= c && c <= 6 && (r == 0 || r == 6)) ||
|
|
(2 <= r && r <= 4 && 2 <= c && c <= 4)
|
|
) {
|
|
_modules[row + r][col + c] = true;
|
|
} else {
|
|
_modules[row + r][col + c] = false;
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
var getBestMaskPattern = function() {
|
|
var minLostPoint = 0;
|
|
var pattern = 0;
|
|
|
|
for (var i = 0; i < 8; i += 1) {
|
|
makeImpl(true, i);
|
|
|
|
var lostPoint = QRUtil.getLostPoint(_this);
|
|
|
|
if (i == 0 || minLostPoint > lostPoint) {
|
|
minLostPoint = lostPoint;
|
|
pattern = i;
|
|
}
|
|
}
|
|
|
|
return pattern;
|
|
};
|
|
|
|
var setupTimingPattern = function() {
|
|
for (var r = 8; r < _moduleCount - 8; r += 1) {
|
|
if (_modules[r][6] != null) {
|
|
continue;
|
|
}
|
|
_modules[r][6] = r % 2 == 0;
|
|
}
|
|
|
|
for (var c = 8; c < _moduleCount - 8; c += 1) {
|
|
if (_modules[6][c] != null) {
|
|
continue;
|
|
}
|
|
_modules[6][c] = c % 2 == 0;
|
|
}
|
|
};
|
|
|
|
var setupPositionAdjustPattern = function() {
|
|
var pos = QRUtil.getPatternPosition(_typeNumber);
|
|
|
|
for (var i = 0; i < pos.length; i += 1) {
|
|
for (var j = 0; j < pos.length; j += 1) {
|
|
var row = pos[i];
|
|
var col = pos[j];
|
|
|
|
if (_modules[row][col] != null) {
|
|
continue;
|
|
}
|
|
|
|
for (var r = -2; r <= 2; r += 1) {
|
|
for (var c = -2; c <= 2; c += 1) {
|
|
if (
|
|
r == -2 ||
|
|
r == 2 ||
|
|
c == -2 ||
|
|
c == 2 ||
|
|
(r == 0 && c == 0)
|
|
) {
|
|
_modules[row + r][col + c] = true;
|
|
} else {
|
|
_modules[row + r][col + c] = false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
var setupTypeNumber = function(test) {
|
|
var bits = QRUtil.getBCHTypeNumber(_typeNumber);
|
|
|
|
for (var i = 0; i < 18; i += 1) {
|
|
var mod = !test && ((bits >> i) & 1) == 1;
|
|
_modules[Math.floor(i / 3)][(i % 3) + _moduleCount - 8 - 3] = mod;
|
|
}
|
|
|
|
for (var i = 0; i < 18; i += 1) {
|
|
var mod = !test && ((bits >> i) & 1) == 1;
|
|
_modules[(i % 3) + _moduleCount - 8 - 3][Math.floor(i / 3)] = mod;
|
|
}
|
|
};
|
|
|
|
var setupTypeInfo = function(test, maskPattern) {
|
|
var data = (_errorCorrectionLevel << 3) | maskPattern;
|
|
var bits = QRUtil.getBCHTypeInfo(data);
|
|
|
|
// vertical
|
|
for (var i = 0; i < 15; i += 1) {
|
|
var mod = !test && ((bits >> i) & 1) == 1;
|
|
|
|
if (i < 6) {
|
|
_modules[i][8] = mod;
|
|
} else if (i < 8) {
|
|
_modules[i + 1][8] = mod;
|
|
} else {
|
|
_modules[_moduleCount - 15 + i][8] = mod;
|
|
}
|
|
}
|
|
|
|
// horizontal
|
|
for (var i = 0; i < 15; i += 1) {
|
|
var mod = !test && ((bits >> i) & 1) == 1;
|
|
|
|
if (i < 8) {
|
|
_modules[8][_moduleCount - i - 1] = mod;
|
|
} else if (i < 9) {
|
|
_modules[8][15 - i - 1 + 1] = mod;
|
|
} else {
|
|
_modules[8][15 - i - 1] = mod;
|
|
}
|
|
}
|
|
|
|
// fixed module
|
|
_modules[_moduleCount - 8][8] = !test;
|
|
};
|
|
|
|
var mapData = function(data, maskPattern) {
|
|
var inc = -1;
|
|
var row = _moduleCount - 1;
|
|
var bitIndex = 7;
|
|
var byteIndex = 0;
|
|
var maskFunc = QRUtil.getMaskFunction(maskPattern);
|
|
|
|
for (var col = _moduleCount - 1; col > 0; col -= 2) {
|
|
if (col == 6) col -= 1;
|
|
|
|
while (true) {
|
|
for (var c = 0; c < 2; c += 1) {
|
|
if (_modules[row][col - c] == null) {
|
|
var dark = false;
|
|
|
|
if (byteIndex < data.length) {
|
|
dark = ((data[byteIndex] >>> bitIndex) & 1) == 1;
|
|
}
|
|
|
|
var mask = maskFunc(row, col - c);
|
|
|
|
if (mask) {
|
|
dark = !dark;
|
|
}
|
|
|
|
_modules[row][col - c] = dark;
|
|
bitIndex -= 1;
|
|
|
|
if (bitIndex == -1) {
|
|
byteIndex += 1;
|
|
bitIndex = 7;
|
|
}
|
|
}
|
|
}
|
|
|
|
row += inc;
|
|
|
|
if (row < 0 || _moduleCount <= row) {
|
|
row -= inc;
|
|
inc = -inc;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
var createBytes = function(buffer, rsBlocks) {
|
|
var offset = 0;
|
|
|
|
var maxDcCount = 0;
|
|
var maxEcCount = 0;
|
|
|
|
var dcdata = new Array(rsBlocks.length);
|
|
var ecdata = new Array(rsBlocks.length);
|
|
|
|
for (var r = 0; r < rsBlocks.length; r += 1) {
|
|
var dcCount = rsBlocks[r].dataCount;
|
|
var ecCount = rsBlocks[r].totalCount - dcCount;
|
|
|
|
maxDcCount = Math.max(maxDcCount, dcCount);
|
|
maxEcCount = Math.max(maxEcCount, ecCount);
|
|
|
|
dcdata[r] = new Array(dcCount);
|
|
|
|
for (var i = 0; i < dcdata[r].length; i += 1) {
|
|
dcdata[r][i] = 0xff & buffer.getBuffer()[i + offset];
|
|
}
|
|
offset += dcCount;
|
|
|
|
var rsPoly = QRUtil.getErrorCorrectPolynomial(ecCount);
|
|
var rawPoly = qrPolynomial(dcdata[r], rsPoly.getLength() - 1);
|
|
|
|
var modPoly = rawPoly.mod(rsPoly);
|
|
ecdata[r] = new Array(rsPoly.getLength() - 1);
|
|
for (var i = 0; i < ecdata[r].length; i += 1) {
|
|
var modIndex = i + modPoly.getLength() - ecdata[r].length;
|
|
ecdata[r][i] = modIndex >= 0 ? modPoly.getAt(modIndex) : 0;
|
|
}
|
|
}
|
|
|
|
var totalCodeCount = 0;
|
|
for (var i = 0; i < rsBlocks.length; i += 1) {
|
|
totalCodeCount += rsBlocks[i].totalCount;
|
|
}
|
|
|
|
var data = new Array(totalCodeCount);
|
|
var index = 0;
|
|
|
|
for (var i = 0; i < maxDcCount; i += 1) {
|
|
for (var r = 0; r < rsBlocks.length; r += 1) {
|
|
if (i < dcdata[r].length) {
|
|
data[index] = dcdata[r][i];
|
|
index += 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
for (var i = 0; i < maxEcCount; i += 1) {
|
|
for (var r = 0; r < rsBlocks.length; r += 1) {
|
|
if (i < ecdata[r].length) {
|
|
data[index] = ecdata[r][i];
|
|
index += 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
return data;
|
|
};
|
|
|
|
var createData = function(typeNumber, errorCorrectionLevel, dataList) {
|
|
var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, errorCorrectionLevel);
|
|
|
|
var buffer = qrBitBuffer();
|
|
|
|
for (var i = 0; i < dataList.length; i += 1) {
|
|
var data = dataList[i];
|
|
buffer.put(data.getMode(), 4);
|
|
buffer.put(
|
|
data.getLength(),
|
|
QRUtil.getLengthInBits(data.getMode(), typeNumber)
|
|
);
|
|
data.write(buffer);
|
|
}
|
|
|
|
// calc num max data.
|
|
var totalDataCount = 0;
|
|
for (var i = 0; i < rsBlocks.length; i += 1) {
|
|
totalDataCount += rsBlocks[i].dataCount;
|
|
}
|
|
|
|
if (buffer.getLengthInBits() > totalDataCount * 8) {
|
|
throw 'code length overflow. (' +
|
|
buffer.getLengthInBits() +
|
|
'>' +
|
|
totalDataCount * 8 +
|
|
')';
|
|
}
|
|
|
|
// end code
|
|
if (buffer.getLengthInBits() + 4 <= totalDataCount * 8) {
|
|
buffer.put(0, 4);
|
|
}
|
|
|
|
// padding
|
|
while (buffer.getLengthInBits() % 8 != 0) {
|
|
buffer.putBit(false);
|
|
}
|
|
|
|
// padding
|
|
while (true) {
|
|
if (buffer.getLengthInBits() >= totalDataCount * 8) {
|
|
break;
|
|
}
|
|
buffer.put(PAD0, 8);
|
|
|
|
if (buffer.getLengthInBits() >= totalDataCount * 8) {
|
|
break;
|
|
}
|
|
buffer.put(PAD1, 8);
|
|
}
|
|
|
|
return createBytes(buffer, rsBlocks);
|
|
};
|
|
|
|
_this.addData = function(data, mode) {
|
|
mode = mode || 'Byte';
|
|
|
|
var newData = null;
|
|
|
|
switch (mode) {
|
|
case 'Numeric':
|
|
newData = qrNumber(data);
|
|
break;
|
|
case 'Alphanumeric':
|
|
newData = qrAlphaNum(data);
|
|
break;
|
|
case 'Byte':
|
|
newData = qr8BitByte(data);
|
|
break;
|
|
case 'Kanji':
|
|
newData = qrKanji(data);
|
|
break;
|
|
default:
|
|
throw 'mode:' + mode;
|
|
}
|
|
|
|
_dataList.push(newData);
|
|
_dataCache = null;
|
|
};
|
|
|
|
_this.isDark = function(row, col) {
|
|
if (row < 0 || _moduleCount <= row || col < 0 || _moduleCount <= col) {
|
|
throw row + ',' + col;
|
|
}
|
|
return _modules[row][col];
|
|
};
|
|
|
|
_this.getModuleCount = function() {
|
|
return _moduleCount;
|
|
};
|
|
|
|
_this.make = function() {
|
|
if (_typeNumber < 1) {
|
|
var typeNumber = 1;
|
|
|
|
for (; typeNumber < 40; typeNumber++) {
|
|
var rsBlocks = QRRSBlock.getRSBlocks(
|
|
typeNumber,
|
|
_errorCorrectionLevel
|
|
);
|
|
var buffer = qrBitBuffer();
|
|
|
|
for (var i = 0; i < _dataList.length; i++) {
|
|
var data = _dataList[i];
|
|
buffer.put(data.getMode(), 4);
|
|
buffer.put(
|
|
data.getLength(),
|
|
QRUtil.getLengthInBits(data.getMode(), typeNumber)
|
|
);
|
|
data.write(buffer);
|
|
}
|
|
|
|
var totalDataCount = 0;
|
|
for (var i = 0; i < rsBlocks.length; i++) {
|
|
totalDataCount += rsBlocks[i].dataCount;
|
|
}
|
|
|
|
if (buffer.getLengthInBits() <= totalDataCount * 8) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
_typeNumber = typeNumber;
|
|
}
|
|
|
|
makeImpl(false, getBestMaskPattern());
|
|
};
|
|
|
|
_this.createTableTag = function(cellSize, margin) {
|
|
cellSize = cellSize || 2;
|
|
margin = typeof margin == 'undefined' ? cellSize * 4 : margin;
|
|
|
|
var qrHtml = '';
|
|
|
|
qrHtml += '<table style="';
|
|
qrHtml += ' border-width: 0px; border-style: none;';
|
|
qrHtml += ' border-collapse: collapse;';
|
|
qrHtml += ' padding: 0px; margin: ' + margin + 'px;';
|
|
qrHtml += '">';
|
|
qrHtml += '<tbody>';
|
|
|
|
for (var r = 0; r < _this.getModuleCount(); r += 1) {
|
|
qrHtml += '<tr>';
|
|
|
|
for (var c = 0; c < _this.getModuleCount(); c += 1) {
|
|
qrHtml += '<td style="';
|
|
qrHtml += ' border-width: 0px; border-style: none;';
|
|
qrHtml += ' border-collapse: collapse;';
|
|
qrHtml += ' padding: 0px; margin: 0px;';
|
|
qrHtml += ' width: ' + cellSize + 'px;';
|
|
qrHtml += ' height: ' + cellSize + 'px;';
|
|
qrHtml += ' background-color: ';
|
|
qrHtml += _this.isDark(r, c) ? '#000000' : '#ffffff';
|
|
qrHtml += ';';
|
|
qrHtml += '"/>';
|
|
}
|
|
|
|
qrHtml += '</tr>';
|
|
}
|
|
|
|
qrHtml += '</tbody>';
|
|
qrHtml += '</table>';
|
|
|
|
return qrHtml;
|
|
};
|
|
|
|
_this.createSvgTag = function(cellSize, margin, alt, title) {
|
|
var opts = {};
|
|
if (typeof arguments[0] == 'object') {
|
|
// Called by options.
|
|
opts = arguments[0];
|
|
// overwrite cellSize and margin.
|
|
cellSize = opts.cellSize;
|
|
margin = opts.margin;
|
|
alt = opts.alt;
|
|
title = opts.title;
|
|
}
|
|
|
|
cellSize = cellSize || 2;
|
|
margin = typeof margin == 'undefined' ? cellSize * 4 : margin;
|
|
|
|
// Compose alt property surrogate
|
|
alt = typeof alt === 'string' ? { text: alt } : alt || {};
|
|
alt.text = alt.text || null;
|
|
alt.id = alt.text ? alt.id || 'qrcode-description' : null;
|
|
|
|
// Compose title property surrogate
|
|
title = typeof title === 'string' ? { text: title } : title || {};
|
|
title.text = title.text || null;
|
|
title.id = title.text ? title.id || 'qrcode-title' : null;
|
|
|
|
var size = _this.getModuleCount() * cellSize + margin * 2;
|
|
var c,
|
|
mc,
|
|
r,
|
|
mr,
|
|
qrSvg = '',
|
|
rect;
|
|
|
|
rect =
|
|
'l' +
|
|
cellSize +
|
|
',0 0,' +
|
|
cellSize +
|
|
' -' +
|
|
cellSize +
|
|
',0 0,-' +
|
|
cellSize +
|
|
'z ';
|
|
|
|
qrSvg += '<svg version="1.1" xmlns="http://www.w3.org/2000/svg"';
|
|
qrSvg += !opts.scalable
|
|
? ' width="' + size + 'px" height="' + size + 'px"'
|
|
: '';
|
|
qrSvg += ' viewBox="0 0 ' + size + ' ' + size + '" ';
|
|
qrSvg += ' preserveAspectRatio="xMinYMin meet"';
|
|
qrSvg +=
|
|
title.text || alt.text
|
|
? ' role="img" aria-labelledby="' +
|
|
escapeXml([title.id, alt.id].join(' ').trim()) +
|
|
'"'
|
|
: '';
|
|
qrSvg += '>';
|
|
qrSvg += title.text
|
|
? '<title id="' +
|
|
escapeXml(title.id) +
|
|
'">' +
|
|
escapeXml(title.text) +
|
|
'</title>'
|
|
: '';
|
|
qrSvg += alt.text
|
|
? '<description id="' +
|
|
escapeXml(alt.id) +
|
|
'">' +
|
|
escapeXml(alt.text) +
|
|
'</description>'
|
|
: '';
|
|
qrSvg += '<rect width="100%" height="100%" fill="white" cx="0" cy="0"/>';
|
|
qrSvg += '<path d="';
|
|
|
|
for (r = 0; r < _this.getModuleCount(); r += 1) {
|
|
mr = r * cellSize + margin;
|
|
for (c = 0; c < _this.getModuleCount(); c += 1) {
|
|
if (_this.isDark(r, c)) {
|
|
mc = c * cellSize + margin;
|
|
qrSvg += 'M' + mc + ',' + mr + rect;
|
|
}
|
|
}
|
|
}
|
|
|
|
qrSvg += '" stroke="transparent" fill="black"/>';
|
|
qrSvg += '</svg>';
|
|
|
|
return qrSvg;
|
|
};
|
|
|
|
_this.createDataURL = function(cellSize, margin) {
|
|
cellSize = cellSize || 2;
|
|
margin = typeof margin == 'undefined' ? cellSize * 4 : margin;
|
|
|
|
var size = _this.getModuleCount() * cellSize + margin * 2;
|
|
var min = margin;
|
|
var max = size - margin;
|
|
|
|
return createDataURL(size, size, function(x, y) {
|
|
if (min <= x && x < max && min <= y && y < max) {
|
|
var c = Math.floor((x - min) / cellSize);
|
|
var r = Math.floor((y - min) / cellSize);
|
|
return _this.isDark(r, c) ? 0 : 1;
|
|
} else {
|
|
return 1;
|
|
}
|
|
});
|
|
};
|
|
|
|
_this.createImgTag = function(cellSize, margin, alt) {
|
|
cellSize = cellSize || 2;
|
|
margin = typeof margin == 'undefined' ? cellSize * 4 : margin;
|
|
|
|
var size = _this.getModuleCount() * cellSize + margin * 2;
|
|
|
|
var img = '';
|
|
img += '<img';
|
|
img += '\u0020src="';
|
|
img += _this.createDataURL(cellSize, margin);
|
|
img += '"';
|
|
img += '\u0020width="';
|
|
img += size;
|
|
img += '"';
|
|
img += '\u0020height="';
|
|
img += size;
|
|
img += '"';
|
|
if (alt) {
|
|
img += '\u0020alt="';
|
|
img += escapeXml(alt);
|
|
img += '"';
|
|
}
|
|
img += '/>';
|
|
|
|
return img;
|
|
};
|
|
|
|
var escapeXml = function(s) {
|
|
var escaped = '';
|
|
for (var i = 0; i < s.length; i += 1) {
|
|
var c = s.charAt(i);
|
|
switch (c) {
|
|
case '<':
|
|
escaped += '<';
|
|
break;
|
|
case '>':
|
|
escaped += '>';
|
|
break;
|
|
case '&':
|
|
escaped += '&';
|
|
break;
|
|
case '"':
|
|
escaped += '"';
|
|
break;
|
|
default:
|
|
escaped += c;
|
|
break;
|
|
}
|
|
}
|
|
return escaped;
|
|
};
|
|
|
|
var _createHalfASCII = function(margin) {
|
|
var cellSize = 1;
|
|
margin = typeof margin == 'undefined' ? cellSize * 2 : margin;
|
|
|
|
var size = _this.getModuleCount() * cellSize + margin * 2;
|
|
var min = margin;
|
|
var max = size - margin;
|
|
|
|
var y, x, r1, r2, p;
|
|
|
|
var blocks = {
|
|
'██': '█',
|
|
'█ ': '▀',
|
|
' █': '▄',
|
|
' ': ' '
|
|
};
|
|
|
|
var blocksLastLineNoMargin = {
|
|
'██': '▀',
|
|
'█ ': '▀',
|
|
' █': ' ',
|
|
' ': ' '
|
|
};
|
|
|
|
var ascii = '';
|
|
for (y = 0; y < size; y += 2) {
|
|
r1 = Math.floor((y - min) / cellSize);
|
|
r2 = Math.floor((y + 1 - min) / cellSize);
|
|
for (x = 0; x < size; x += 1) {
|
|
p = '█';
|
|
|
|
if (
|
|
min <= x &&
|
|
x < max &&
|
|
min <= y &&
|
|
y < max &&
|
|
_this.isDark(r1, Math.floor((x - min) / cellSize))
|
|
) {
|
|
p = ' ';
|
|
}
|
|
|
|
if (
|
|
min <= x &&
|
|
x < max &&
|
|
min <= y + 1 &&
|
|
y + 1 < max &&
|
|
_this.isDark(r2, Math.floor((x - min) / cellSize))
|
|
) {
|
|
p += ' ';
|
|
} else {
|
|
p += '█';
|
|
}
|
|
|
|
// Output 2 characters per pixel, to create full square. 1 character per pixels gives only half width of square.
|
|
ascii +=
|
|
margin < 1 && y + 1 >= max ? blocksLastLineNoMargin[p] : blocks[p];
|
|
}
|
|
|
|
ascii += '\n';
|
|
}
|
|
|
|
if (size % 2 && margin > 0) {
|
|
return (
|
|
ascii.substring(0, ascii.length - size - 1) +
|
|
Array(size + 1).join('▀')
|
|
);
|
|
}
|
|
|
|
return ascii.substring(0, ascii.length - 1);
|
|
};
|
|
|
|
_this.createASCII = function(cellSize, margin) {
|
|
cellSize = cellSize || 1;
|
|
|
|
if (cellSize < 2) {
|
|
return _createHalfASCII(margin);
|
|
}
|
|
|
|
cellSize -= 1;
|
|
margin = typeof margin == 'undefined' ? cellSize * 2 : margin;
|
|
|
|
var size = _this.getModuleCount() * cellSize + margin * 2;
|
|
var min = margin;
|
|
var max = size - margin;
|
|
|
|
var y, x, r, p;
|
|
|
|
var white = Array(cellSize + 1).join('██');
|
|
var black = Array(cellSize + 1).join(' ');
|
|
|
|
var ascii = '';
|
|
var line = '';
|
|
for (y = 0; y < size; y += 1) {
|
|
r = Math.floor((y - min) / cellSize);
|
|
line = '';
|
|
for (x = 0; x < size; x += 1) {
|
|
p = 1;
|
|
|
|
if (
|
|
min <= x &&
|
|
x < max &&
|
|
min <= y &&
|
|
y < max &&
|
|
_this.isDark(r, Math.floor((x - min) / cellSize))
|
|
) {
|
|
p = 0;
|
|
}
|
|
|
|
// Output 2 characters per pixel, to create full square. 1 character per pixels gives only half width of square.
|
|
line += p ? white : black;
|
|
}
|
|
|
|
for (r = 0; r < cellSize; r += 1) {
|
|
ascii += line + '\n';
|
|
}
|
|
}
|
|
|
|
return ascii.substring(0, ascii.length - 1);
|
|
};
|
|
|
|
_this.renderTo2dContext = function(context, cellSize) {
|
|
cellSize = cellSize || 2;
|
|
var length = _this.getModuleCount();
|
|
for (var row = 0; row < length; row++) {
|
|
for (var col = 0; col < length; col++) {
|
|
context.fillStyle = _this.isDark(row, col) ? 'black' : 'white';
|
|
context.fillRect(row * cellSize, col * cellSize, cellSize, cellSize);
|
|
}
|
|
}
|
|
};
|
|
|
|
return _this;
|
|
};
|
|
|
|
//---------------------------------------------------------------------
|
|
// qrcode.stringToBytes
|
|
//---------------------------------------------------------------------
|
|
|
|
qrcode.stringToBytesFuncs = {
|
|
default: function(s) {
|
|
var bytes = [];
|
|
for (var i = 0; i < s.length; i += 1) {
|
|
var c = s.charCodeAt(i);
|
|
bytes.push(c & 0xff);
|
|
}
|
|
return bytes;
|
|
}
|
|
};
|
|
|
|
qrcode.stringToBytes = qrcode.stringToBytesFuncs['default'];
|
|
|
|
//---------------------------------------------------------------------
|
|
// qrcode.createStringToBytes
|
|
//---------------------------------------------------------------------
|
|
|
|
/**
|
|
* @param unicodeData base64 string of byte array.
|
|
* [16bit Unicode],[16bit Bytes], ...
|
|
* @param numChars
|
|
*/
|
|
qrcode.createStringToBytes = function(unicodeData, numChars) {
|
|
// create conversion map.
|
|
|
|
var unicodeMap = (function() {
|
|
var bin = base64DecodeInputStream(unicodeData);
|
|
var read = function() {
|
|
var b = bin.read();
|
|
if (b == -1) throw 'eof';
|
|
return b;
|
|
};
|
|
|
|
var count = 0;
|
|
var unicodeMap = {};
|
|
while (true) {
|
|
var b0 = bin.read();
|
|
if (b0 == -1) break;
|
|
var b1 = read();
|
|
var b2 = read();
|
|
var b3 = read();
|
|
var k = String.fromCharCode((b0 << 8) | b1);
|
|
var v = (b2 << 8) | b3;
|
|
unicodeMap[k] = v;
|
|
count += 1;
|
|
}
|
|
if (count != numChars) {
|
|
throw count + ' != ' + numChars;
|
|
}
|
|
|
|
return unicodeMap;
|
|
})();
|
|
|
|
var unknownChar = '?'.charCodeAt(0);
|
|
|
|
return function(s) {
|
|
var bytes = [];
|
|
for (var i = 0; i < s.length; i += 1) {
|
|
var c = s.charCodeAt(i);
|
|
if (c < 128) {
|
|
bytes.push(c);
|
|
} else {
|
|
var b = unicodeMap[s.charAt(i)];
|
|
if (typeof b == 'number') {
|
|
if ((b & 0xff) == b) {
|
|
// 1byte
|
|
bytes.push(b);
|
|
} else {
|
|
// 2bytes
|
|
bytes.push(b >>> 8);
|
|
bytes.push(b & 0xff);
|
|
}
|
|
} else {
|
|
bytes.push(unknownChar);
|
|
}
|
|
}
|
|
}
|
|
return bytes;
|
|
};
|
|
};
|
|
|
|
//---------------------------------------------------------------------
|
|
// QRMode
|
|
//---------------------------------------------------------------------
|
|
|
|
var QRMode = {
|
|
MODE_NUMBER: 1 << 0,
|
|
MODE_ALPHA_NUM: 1 << 1,
|
|
MODE_8BIT_BYTE: 1 << 2,
|
|
MODE_KANJI: 1 << 3
|
|
};
|
|
|
|
//---------------------------------------------------------------------
|
|
// QRErrorCorrectionLevel
|
|
//---------------------------------------------------------------------
|
|
|
|
var QRErrorCorrectionLevel = {
|
|
L: 1,
|
|
M: 0,
|
|
Q: 3,
|
|
H: 2
|
|
};
|
|
|
|
//---------------------------------------------------------------------
|
|
// QRMaskPattern
|
|
//---------------------------------------------------------------------
|
|
|
|
var QRMaskPattern = {
|
|
PATTERN000: 0,
|
|
PATTERN001: 1,
|
|
PATTERN010: 2,
|
|
PATTERN011: 3,
|
|
PATTERN100: 4,
|
|
PATTERN101: 5,
|
|
PATTERN110: 6,
|
|
PATTERN111: 7
|
|
};
|
|
|
|
//---------------------------------------------------------------------
|
|
// QRUtil
|
|
//---------------------------------------------------------------------
|
|
|
|
var QRUtil = (function() {
|
|
var PATTERN_POSITION_TABLE = [
|
|
[],
|
|
[6, 18],
|
|
[6, 22],
|
|
[6, 26],
|
|
[6, 30],
|
|
[6, 34],
|
|
[6, 22, 38],
|
|
[6, 24, 42],
|
|
[6, 26, 46],
|
|
[6, 28, 50],
|
|
[6, 30, 54],
|
|
[6, 32, 58],
|
|
[6, 34, 62],
|
|
[6, 26, 46, 66],
|
|
[6, 26, 48, 70],
|
|
[6, 26, 50, 74],
|
|
[6, 30, 54, 78],
|
|
[6, 30, 56, 82],
|
|
[6, 30, 58, 86],
|
|
[6, 34, 62, 90],
|
|
[6, 28, 50, 72, 94],
|
|
[6, 26, 50, 74, 98],
|
|
[6, 30, 54, 78, 102],
|
|
[6, 28, 54, 80, 106],
|
|
[6, 32, 58, 84, 110],
|
|
[6, 30, 58, 86, 114],
|
|
[6, 34, 62, 90, 118],
|
|
[6, 26, 50, 74, 98, 122],
|
|
[6, 30, 54, 78, 102, 126],
|
|
[6, 26, 52, 78, 104, 130],
|
|
[6, 30, 56, 82, 108, 134],
|
|
[6, 34, 60, 86, 112, 138],
|
|
[6, 30, 58, 86, 114, 142],
|
|
[6, 34, 62, 90, 118, 146],
|
|
[6, 30, 54, 78, 102, 126, 150],
|
|
[6, 24, 50, 76, 102, 128, 154],
|
|
[6, 28, 54, 80, 106, 132, 158],
|
|
[6, 32, 58, 84, 110, 136, 162],
|
|
[6, 26, 54, 82, 110, 138, 166],
|
|
[6, 30, 58, 86, 114, 142, 170]
|
|
];
|
|
var G15 =
|
|
(1 << 10) |
|
|
(1 << 8) |
|
|
(1 << 5) |
|
|
(1 << 4) |
|
|
(1 << 2) |
|
|
(1 << 1) |
|
|
(1 << 0);
|
|
var G18 =
|
|
(1 << 12) |
|
|
(1 << 11) |
|
|
(1 << 10) |
|
|
(1 << 9) |
|
|
(1 << 8) |
|
|
(1 << 5) |
|
|
(1 << 2) |
|
|
(1 << 0);
|
|
var G15_MASK = (1 << 14) | (1 << 12) | (1 << 10) | (1 << 4) | (1 << 1);
|
|
|
|
var _this = {};
|
|
|
|
var getBCHDigit = function(data) {
|
|
var digit = 0;
|
|
while (data != 0) {
|
|
digit += 1;
|
|
data >>>= 1;
|
|
}
|
|
return digit;
|
|
};
|
|
|
|
_this.getBCHTypeInfo = function(data) {
|
|
var d = data << 10;
|
|
while (getBCHDigit(d) - getBCHDigit(G15) >= 0) {
|
|
d ^= G15 << (getBCHDigit(d) - getBCHDigit(G15));
|
|
}
|
|
return ((data << 10) | d) ^ G15_MASK;
|
|
};
|
|
|
|
_this.getBCHTypeNumber = function(data) {
|
|
var d = data << 12;
|
|
while (getBCHDigit(d) - getBCHDigit(G18) >= 0) {
|
|
d ^= G18 << (getBCHDigit(d) - getBCHDigit(G18));
|
|
}
|
|
return (data << 12) | d;
|
|
};
|
|
|
|
_this.getPatternPosition = function(typeNumber) {
|
|
return PATTERN_POSITION_TABLE[typeNumber - 1];
|
|
};
|
|
|
|
_this.getMaskFunction = function(maskPattern) {
|
|
switch (maskPattern) {
|
|
case QRMaskPattern.PATTERN000:
|
|
return function(i, j) {
|
|
return (i + j) % 2 == 0;
|
|
};
|
|
case QRMaskPattern.PATTERN001:
|
|
return function(i, j) {
|
|
return i % 2 == 0;
|
|
};
|
|
case QRMaskPattern.PATTERN010:
|
|
return function(i, j) {
|
|
return j % 3 == 0;
|
|
};
|
|
case QRMaskPattern.PATTERN011:
|
|
return function(i, j) {
|
|
return (i + j) % 3 == 0;
|
|
};
|
|
case QRMaskPattern.PATTERN100:
|
|
return function(i, j) {
|
|
return (Math.floor(i / 2) + Math.floor(j / 3)) % 2 == 0;
|
|
};
|
|
case QRMaskPattern.PATTERN101:
|
|
return function(i, j) {
|
|
return ((i * j) % 2) + ((i * j) % 3) == 0;
|
|
};
|
|
case QRMaskPattern.PATTERN110:
|
|
return function(i, j) {
|
|
return (((i * j) % 2) + ((i * j) % 3)) % 2 == 0;
|
|
};
|
|
case QRMaskPattern.PATTERN111:
|
|
return function(i, j) {
|
|
return (((i * j) % 3) + ((i + j) % 2)) % 2 == 0;
|
|
};
|
|
|
|
default:
|
|
throw 'bad maskPattern:' + maskPattern;
|
|
}
|
|
};
|
|
|
|
_this.getErrorCorrectPolynomial = function(errorCorrectLength) {
|
|
var a = qrPolynomial([1], 0);
|
|
for (var i = 0; i < errorCorrectLength; i += 1) {
|
|
a = a.multiply(qrPolynomial([1, QRMath.gexp(i)], 0));
|
|
}
|
|
return a;
|
|
};
|
|
|
|
_this.getLengthInBits = function(mode, type) {
|
|
if (1 <= type && type < 10) {
|
|
// 1 - 9
|
|
|
|
switch (mode) {
|
|
case QRMode.MODE_NUMBER:
|
|
return 10;
|
|
case QRMode.MODE_ALPHA_NUM:
|
|
return 9;
|
|
case QRMode.MODE_8BIT_BYTE:
|
|
return 8;
|
|
case QRMode.MODE_KANJI:
|
|
return 8;
|
|
default:
|
|
throw 'mode:' + mode;
|
|
}
|
|
} else if (type < 27) {
|
|
// 10 - 26
|
|
|
|
switch (mode) {
|
|
case QRMode.MODE_NUMBER:
|
|
return 12;
|
|
case QRMode.MODE_ALPHA_NUM:
|
|
return 11;
|
|
case QRMode.MODE_8BIT_BYTE:
|
|
return 16;
|
|
case QRMode.MODE_KANJI:
|
|
return 10;
|
|
default:
|
|
throw 'mode:' + mode;
|
|
}
|
|
} else if (type < 41) {
|
|
// 27 - 40
|
|
|
|
switch (mode) {
|
|
case QRMode.MODE_NUMBER:
|
|
return 14;
|
|
case QRMode.MODE_ALPHA_NUM:
|
|
return 13;
|
|
case QRMode.MODE_8BIT_BYTE:
|
|
return 16;
|
|
case QRMode.MODE_KANJI:
|
|
return 12;
|
|
default:
|
|
throw 'mode:' + mode;
|
|
}
|
|
} else {
|
|
throw 'type:' + type;
|
|
}
|
|
};
|
|
|
|
_this.getLostPoint = function(qrcode) {
|
|
var moduleCount = qrcode.getModuleCount();
|
|
|
|
var lostPoint = 0;
|
|
|
|
// LEVEL1
|
|
|
|
for (var row = 0; row < moduleCount; row += 1) {
|
|
for (var col = 0; col < moduleCount; col += 1) {
|
|
var sameCount = 0;
|
|
var dark = qrcode.isDark(row, col);
|
|
|
|
for (var r = -1; r <= 1; r += 1) {
|
|
if (row + r < 0 || moduleCount <= row + r) {
|
|
continue;
|
|
}
|
|
|
|
for (var c = -1; c <= 1; c += 1) {
|
|
if (col + c < 0 || moduleCount <= col + c) {
|
|
continue;
|
|
}
|
|
|
|
if (r == 0 && c == 0) {
|
|
continue;
|
|
}
|
|
|
|
if (dark == qrcode.isDark(row + r, col + c)) {
|
|
sameCount += 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (sameCount > 5) {
|
|
lostPoint += 3 + sameCount - 5;
|
|
}
|
|
}
|
|
}
|
|
|
|
// LEVEL2
|
|
|
|
for (var row = 0; row < moduleCount - 1; row += 1) {
|
|
for (var col = 0; col < moduleCount - 1; col += 1) {
|
|
var count = 0;
|
|
if (qrcode.isDark(row, col)) count += 1;
|
|
if (qrcode.isDark(row + 1, col)) count += 1;
|
|
if (qrcode.isDark(row, col + 1)) count += 1;
|
|
if (qrcode.isDark(row + 1, col + 1)) count += 1;
|
|
if (count == 0 || count == 4) {
|
|
lostPoint += 3;
|
|
}
|
|
}
|
|
}
|
|
|
|
// LEVEL3
|
|
|
|
for (var row = 0; row < moduleCount; row += 1) {
|
|
for (var col = 0; col < moduleCount - 6; col += 1) {
|
|
if (
|
|
qrcode.isDark(row, col) &&
|
|
!qrcode.isDark(row, col + 1) &&
|
|
qrcode.isDark(row, col + 2) &&
|
|
qrcode.isDark(row, col + 3) &&
|
|
qrcode.isDark(row, col + 4) &&
|
|
!qrcode.isDark(row, col + 5) &&
|
|
qrcode.isDark(row, col + 6)
|
|
) {
|
|
lostPoint += 40;
|
|
}
|
|
}
|
|
}
|
|
|
|
for (var col = 0; col < moduleCount; col += 1) {
|
|
for (var row = 0; row < moduleCount - 6; row += 1) {
|
|
if (
|
|
qrcode.isDark(row, col) &&
|
|
!qrcode.isDark(row + 1, col) &&
|
|
qrcode.isDark(row + 2, col) &&
|
|
qrcode.isDark(row + 3, col) &&
|
|
qrcode.isDark(row + 4, col) &&
|
|
!qrcode.isDark(row + 5, col) &&
|
|
qrcode.isDark(row + 6, col)
|
|
) {
|
|
lostPoint += 40;
|
|
}
|
|
}
|
|
}
|
|
|
|
// LEVEL4
|
|
|
|
var darkCount = 0;
|
|
|
|
for (var col = 0; col < moduleCount; col += 1) {
|
|
for (var row = 0; row < moduleCount; row += 1) {
|
|
if (qrcode.isDark(row, col)) {
|
|
darkCount += 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
var ratio =
|
|
Math.abs((100 * darkCount) / moduleCount / moduleCount - 50) / 5;
|
|
lostPoint += ratio * 10;
|
|
|
|
return lostPoint;
|
|
};
|
|
|
|
return _this;
|
|
})();
|
|
|
|
//---------------------------------------------------------------------
|
|
// QRMath
|
|
//---------------------------------------------------------------------
|
|
|
|
var QRMath = (function() {
|
|
var EXP_TABLE = new Array(256);
|
|
var LOG_TABLE = new Array(256);
|
|
|
|
// initialize tables
|
|
for (var i = 0; i < 8; i += 1) {
|
|
EXP_TABLE[i] = 1 << i;
|
|
}
|
|
for (var i = 8; i < 256; i += 1) {
|
|
EXP_TABLE[i] =
|
|
EXP_TABLE[i - 4] ^
|
|
EXP_TABLE[i - 5] ^
|
|
EXP_TABLE[i - 6] ^
|
|
EXP_TABLE[i - 8];
|
|
}
|
|
for (var i = 0; i < 255; i += 1) {
|
|
LOG_TABLE[EXP_TABLE[i]] = i;
|
|
}
|
|
|
|
var _this = {};
|
|
|
|
_this.glog = function(n) {
|
|
if (n < 1) {
|
|
throw 'glog(' + n + ')';
|
|
}
|
|
|
|
return LOG_TABLE[n];
|
|
};
|
|
|
|
_this.gexp = function(n) {
|
|
while (n < 0) {
|
|
n += 255;
|
|
}
|
|
|
|
while (n >= 256) {
|
|
n -= 255;
|
|
}
|
|
|
|
return EXP_TABLE[n];
|
|
};
|
|
|
|
return _this;
|
|
})();
|
|
|
|
//---------------------------------------------------------------------
|
|
// qrPolynomial
|
|
//---------------------------------------------------------------------
|
|
|
|
function qrPolynomial(num, shift) {
|
|
if (typeof num.length == 'undefined') {
|
|
throw num.length + '/' + shift;
|
|
}
|
|
|
|
var _num = (function() {
|
|
var offset = 0;
|
|
while (offset < num.length && num[offset] == 0) {
|
|
offset += 1;
|
|
}
|
|
var _num = new Array(num.length - offset + shift);
|
|
for (var i = 0; i < num.length - offset; i += 1) {
|
|
_num[i] = num[i + offset];
|
|
}
|
|
return _num;
|
|
})();
|
|
|
|
var _this = {};
|
|
|
|
_this.getAt = function(index) {
|
|
return _num[index];
|
|
};
|
|
|
|
_this.getLength = function() {
|
|
return _num.length;
|
|
};
|
|
|
|
_this.multiply = function(e) {
|
|
var num = new Array(_this.getLength() + e.getLength() - 1);
|
|
|
|
for (var i = 0; i < _this.getLength(); i += 1) {
|
|
for (var j = 0; j < e.getLength(); j += 1) {
|
|
num[i + j] ^= QRMath.gexp(
|
|
QRMath.glog(_this.getAt(i)) + QRMath.glog(e.getAt(j))
|
|
);
|
|
}
|
|
}
|
|
|
|
return qrPolynomial(num, 0);
|
|
};
|
|
|
|
_this.mod = function(e) {
|
|
if (_this.getLength() - e.getLength() < 0) {
|
|
return _this;
|
|
}
|
|
|
|
var ratio = QRMath.glog(_this.getAt(0)) - QRMath.glog(e.getAt(0));
|
|
|
|
var num = new Array(_this.getLength());
|
|
for (var i = 0; i < _this.getLength(); i += 1) {
|
|
num[i] = _this.getAt(i);
|
|
}
|
|
|
|
for (var i = 0; i < e.getLength(); i += 1) {
|
|
num[i] ^= QRMath.gexp(QRMath.glog(e.getAt(i)) + ratio);
|
|
}
|
|
|
|
// recursive call
|
|
return qrPolynomial(num, 0).mod(e);
|
|
};
|
|
|
|
return _this;
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
// QRRSBlock
|
|
//---------------------------------------------------------------------
|
|
|
|
var QRRSBlock = (function() {
|
|
var RS_BLOCK_TABLE = [
|
|
// L
|
|
// M
|
|
// Q
|
|
// H
|
|
|
|
// 1
|
|
[1, 26, 19],
|
|
[1, 26, 16],
|
|
[1, 26, 13],
|
|
[1, 26, 9],
|
|
|
|
// 2
|
|
[1, 44, 34],
|
|
[1, 44, 28],
|
|
[1, 44, 22],
|
|
[1, 44, 16],
|
|
|
|
// 3
|
|
[1, 70, 55],
|
|
[1, 70, 44],
|
|
[2, 35, 17],
|
|
[2, 35, 13],
|
|
|
|
// 4
|
|
[1, 100, 80],
|
|
[2, 50, 32],
|
|
[2, 50, 24],
|
|
[4, 25, 9],
|
|
|
|
// 5
|
|
[1, 134, 108],
|
|
[2, 67, 43],
|
|
[2, 33, 15, 2, 34, 16],
|
|
[2, 33, 11, 2, 34, 12],
|
|
|
|
// 6
|
|
[2, 86, 68],
|
|
[4, 43, 27],
|
|
[4, 43, 19],
|
|
[4, 43, 15],
|
|
|
|
// 7
|
|
[2, 98, 78],
|
|
[4, 49, 31],
|
|
[2, 32, 14, 4, 33, 15],
|
|
[4, 39, 13, 1, 40, 14],
|
|
|
|
// 8
|
|
[2, 121, 97],
|
|
[2, 60, 38, 2, 61, 39],
|
|
[4, 40, 18, 2, 41, 19],
|
|
[4, 40, 14, 2, 41, 15],
|
|
|
|
// 9
|
|
[2, 146, 116],
|
|
[3, 58, 36, 2, 59, 37],
|
|
[4, 36, 16, 4, 37, 17],
|
|
[4, 36, 12, 4, 37, 13],
|
|
|
|
// 10
|
|
[2, 86, 68, 2, 87, 69],
|
|
[4, 69, 43, 1, 70, 44],
|
|
[6, 43, 19, 2, 44, 20],
|
|
[6, 43, 15, 2, 44, 16],
|
|
|
|
// 11
|
|
[4, 101, 81],
|
|
[1, 80, 50, 4, 81, 51],
|
|
[4, 50, 22, 4, 51, 23],
|
|
[3, 36, 12, 8, 37, 13],
|
|
|
|
// 12
|
|
[2, 116, 92, 2, 117, 93],
|
|
[6, 58, 36, 2, 59, 37],
|
|
[4, 46, 20, 6, 47, 21],
|
|
[7, 42, 14, 4, 43, 15],
|
|
|
|
// 13
|
|
[4, 133, 107],
|
|
[8, 59, 37, 1, 60, 38],
|
|
[8, 44, 20, 4, 45, 21],
|
|
[12, 33, 11, 4, 34, 12],
|
|
|
|
// 14
|
|
[3, 145, 115, 1, 146, 116],
|
|
[4, 64, 40, 5, 65, 41],
|
|
[11, 36, 16, 5, 37, 17],
|
|
[11, 36, 12, 5, 37, 13],
|
|
|
|
// 15
|
|
[5, 109, 87, 1, 110, 88],
|
|
[5, 65, 41, 5, 66, 42],
|
|
[5, 54, 24, 7, 55, 25],
|
|
[11, 36, 12, 7, 37, 13],
|
|
|
|
// 16
|
|
[5, 122, 98, 1, 123, 99],
|
|
[7, 73, 45, 3, 74, 46],
|
|
[15, 43, 19, 2, 44, 20],
|
|
[3, 45, 15, 13, 46, 16],
|
|
|
|
// 17
|
|
[1, 135, 107, 5, 136, 108],
|
|
[10, 74, 46, 1, 75, 47],
|
|
[1, 50, 22, 15, 51, 23],
|
|
[2, 42, 14, 17, 43, 15],
|
|
|
|
// 18
|
|
[5, 150, 120, 1, 151, 121],
|
|
[9, 69, 43, 4, 70, 44],
|
|
[17, 50, 22, 1, 51, 23],
|
|
[2, 42, 14, 19, 43, 15],
|
|
|
|
// 19
|
|
[3, 141, 113, 4, 142, 114],
|
|
[3, 70, 44, 11, 71, 45],
|
|
[17, 47, 21, 4, 48, 22],
|
|
[9, 39, 13, 16, 40, 14],
|
|
|
|
// 20
|
|
[3, 135, 107, 5, 136, 108],
|
|
[3, 67, 41, 13, 68, 42],
|
|
[15, 54, 24, 5, 55, 25],
|
|
[15, 43, 15, 10, 44, 16],
|
|
|
|
// 21
|
|
[4, 144, 116, 4, 145, 117],
|
|
[17, 68, 42],
|
|
[17, 50, 22, 6, 51, 23],
|
|
[19, 46, 16, 6, 47, 17],
|
|
|
|
// 22
|
|
[2, 139, 111, 7, 140, 112],
|
|
[17, 74, 46],
|
|
[7, 54, 24, 16, 55, 25],
|
|
[34, 37, 13],
|
|
|
|
// 23
|
|
[4, 151, 121, 5, 152, 122],
|
|
[4, 75, 47, 14, 76, 48],
|
|
[11, 54, 24, 14, 55, 25],
|
|
[16, 45, 15, 14, 46, 16],
|
|
|
|
// 24
|
|
[6, 147, 117, 4, 148, 118],
|
|
[6, 73, 45, 14, 74, 46],
|
|
[11, 54, 24, 16, 55, 25],
|
|
[30, 46, 16, 2, 47, 17],
|
|
|
|
// 25
|
|
[8, 132, 106, 4, 133, 107],
|
|
[8, 75, 47, 13, 76, 48],
|
|
[7, 54, 24, 22, 55, 25],
|
|
[22, 45, 15, 13, 46, 16],
|
|
|
|
// 26
|
|
[10, 142, 114, 2, 143, 115],
|
|
[19, 74, 46, 4, 75, 47],
|
|
[28, 50, 22, 6, 51, 23],
|
|
[33, 46, 16, 4, 47, 17],
|
|
|
|
// 27
|
|
[8, 152, 122, 4, 153, 123],
|
|
[22, 73, 45, 3, 74, 46],
|
|
[8, 53, 23, 26, 54, 24],
|
|
[12, 45, 15, 28, 46, 16],
|
|
|
|
// 28
|
|
[3, 147, 117, 10, 148, 118],
|
|
[3, 73, 45, 23, 74, 46],
|
|
[4, 54, 24, 31, 55, 25],
|
|
[11, 45, 15, 31, 46, 16],
|
|
|
|
// 29
|
|
[7, 146, 116, 7, 147, 117],
|
|
[21, 73, 45, 7, 74, 46],
|
|
[1, 53, 23, 37, 54, 24],
|
|
[19, 45, 15, 26, 46, 16],
|
|
|
|
// 30
|
|
[5, 145, 115, 10, 146, 116],
|
|
[19, 75, 47, 10, 76, 48],
|
|
[15, 54, 24, 25, 55, 25],
|
|
[23, 45, 15, 25, 46, 16],
|
|
|
|
// 31
|
|
[13, 145, 115, 3, 146, 116],
|
|
[2, 74, 46, 29, 75, 47],
|
|
[42, 54, 24, 1, 55, 25],
|
|
[23, 45, 15, 28, 46, 16],
|
|
|
|
// 32
|
|
[17, 145, 115],
|
|
[10, 74, 46, 23, 75, 47],
|
|
[10, 54, 24, 35, 55, 25],
|
|
[19, 45, 15, 35, 46, 16],
|
|
|
|
// 33
|
|
[17, 145, 115, 1, 146, 116],
|
|
[14, 74, 46, 21, 75, 47],
|
|
[29, 54, 24, 19, 55, 25],
|
|
[11, 45, 15, 46, 46, 16],
|
|
|
|
// 34
|
|
[13, 145, 115, 6, 146, 116],
|
|
[14, 74, 46, 23, 75, 47],
|
|
[44, 54, 24, 7, 55, 25],
|
|
[59, 46, 16, 1, 47, 17],
|
|
|
|
// 35
|
|
[12, 151, 121, 7, 152, 122],
|
|
[12, 75, 47, 26, 76, 48],
|
|
[39, 54, 24, 14, 55, 25],
|
|
[22, 45, 15, 41, 46, 16],
|
|
|
|
// 36
|
|
[6, 151, 121, 14, 152, 122],
|
|
[6, 75, 47, 34, 76, 48],
|
|
[46, 54, 24, 10, 55, 25],
|
|
[2, 45, 15, 64, 46, 16],
|
|
|
|
// 37
|
|
[17, 152, 122, 4, 153, 123],
|
|
[29, 74, 46, 14, 75, 47],
|
|
[49, 54, 24, 10, 55, 25],
|
|
[24, 45, 15, 46, 46, 16],
|
|
|
|
// 38
|
|
[4, 152, 122, 18, 153, 123],
|
|
[13, 74, 46, 32, 75, 47],
|
|
[48, 54, 24, 14, 55, 25],
|
|
[42, 45, 15, 32, 46, 16],
|
|
|
|
// 39
|
|
[20, 147, 117, 4, 148, 118],
|
|
[40, 75, 47, 7, 76, 48],
|
|
[43, 54, 24, 22, 55, 25],
|
|
[10, 45, 15, 67, 46, 16],
|
|
|
|
// 40
|
|
[19, 148, 118, 6, 149, 119],
|
|
[18, 75, 47, 31, 76, 48],
|
|
[34, 54, 24, 34, 55, 25],
|
|
[20, 45, 15, 61, 46, 16]
|
|
];
|
|
|
|
var qrRSBlock = function(totalCount, dataCount) {
|
|
var _this = {};
|
|
_this.totalCount = totalCount;
|
|
_this.dataCount = dataCount;
|
|
return _this;
|
|
};
|
|
|
|
var _this = {};
|
|
|
|
var getRsBlockTable = function(typeNumber, errorCorrectionLevel) {
|
|
switch (errorCorrectionLevel) {
|
|
case QRErrorCorrectionLevel.L:
|
|
return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 0];
|
|
case QRErrorCorrectionLevel.M:
|
|
return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 1];
|
|
case QRErrorCorrectionLevel.Q:
|
|
return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 2];
|
|
case QRErrorCorrectionLevel.H:
|
|
return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 3];
|
|
default:
|
|
return undefined;
|
|
}
|
|
};
|
|
|
|
_this.getRSBlocks = function(typeNumber, errorCorrectionLevel) {
|
|
var rsBlock = getRsBlockTable(typeNumber, errorCorrectionLevel);
|
|
|
|
if (typeof rsBlock == 'undefined') {
|
|
throw 'bad rs block @ typeNumber:' +
|
|
typeNumber +
|
|
'/errorCorrectionLevel:' +
|
|
errorCorrectionLevel;
|
|
}
|
|
|
|
var length = rsBlock.length / 3;
|
|
|
|
var list = [];
|
|
|
|
for (var i = 0; i < length; i += 1) {
|
|
var count = rsBlock[i * 3 + 0];
|
|
var totalCount = rsBlock[i * 3 + 1];
|
|
var dataCount = rsBlock[i * 3 + 2];
|
|
|
|
for (var j = 0; j < count; j += 1) {
|
|
list.push(qrRSBlock(totalCount, dataCount));
|
|
}
|
|
}
|
|
|
|
return list;
|
|
};
|
|
|
|
return _this;
|
|
})();
|
|
|
|
//---------------------------------------------------------------------
|
|
// qrBitBuffer
|
|
//---------------------------------------------------------------------
|
|
|
|
var qrBitBuffer = function() {
|
|
var _buffer = [];
|
|
var _length = 0;
|
|
|
|
var _this = {};
|
|
|
|
_this.getBuffer = function() {
|
|
return _buffer;
|
|
};
|
|
|
|
_this.getAt = function(index) {
|
|
var bufIndex = Math.floor(index / 8);
|
|
return ((_buffer[bufIndex] >>> (7 - (index % 8))) & 1) == 1;
|
|
};
|
|
|
|
_this.put = function(num, length) {
|
|
for (var i = 0; i < length; i += 1) {
|
|
_this.putBit(((num >>> (length - i - 1)) & 1) == 1);
|
|
}
|
|
};
|
|
|
|
_this.getLengthInBits = function() {
|
|
return _length;
|
|
};
|
|
|
|
_this.putBit = function(bit) {
|
|
var bufIndex = Math.floor(_length / 8);
|
|
if (_buffer.length <= bufIndex) {
|
|
_buffer.push(0);
|
|
}
|
|
|
|
if (bit) {
|
|
_buffer[bufIndex] |= 0x80 >>> _length % 8;
|
|
}
|
|
|
|
_length += 1;
|
|
};
|
|
|
|
return _this;
|
|
};
|
|
|
|
//---------------------------------------------------------------------
|
|
// qrNumber
|
|
//---------------------------------------------------------------------
|
|
|
|
var qrNumber = function(data) {
|
|
var _mode = QRMode.MODE_NUMBER;
|
|
var _data = data;
|
|
|
|
var _this = {};
|
|
|
|
_this.getMode = function() {
|
|
return _mode;
|
|
};
|
|
|
|
_this.getLength = function(buffer) {
|
|
return _data.length;
|
|
};
|
|
|
|
_this.write = function(buffer) {
|
|
var data = _data;
|
|
|
|
var i = 0;
|
|
|
|
while (i + 2 < data.length) {
|
|
buffer.put(strToNum(data.substring(i, i + 3)), 10);
|
|
i += 3;
|
|
}
|
|
|
|
if (i < data.length) {
|
|
if (data.length - i == 1) {
|
|
buffer.put(strToNum(data.substring(i, i + 1)), 4);
|
|
} else if (data.length - i == 2) {
|
|
buffer.put(strToNum(data.substring(i, i + 2)), 7);
|
|
}
|
|
}
|
|
};
|
|
|
|
var strToNum = function(s) {
|
|
var num = 0;
|
|
for (var i = 0; i < s.length; i += 1) {
|
|
num = num * 10 + chatToNum(s.charAt(i));
|
|
}
|
|
return num;
|
|
};
|
|
|
|
var chatToNum = function(c) {
|
|
if ('0' <= c && c <= '9') {
|
|
return c.charCodeAt(0) - '0'.charCodeAt(0);
|
|
}
|
|
throw 'illegal char :' + c;
|
|
};
|
|
|
|
return _this;
|
|
};
|
|
|
|
//---------------------------------------------------------------------
|
|
// qrAlphaNum
|
|
//---------------------------------------------------------------------
|
|
|
|
var qrAlphaNum = function(data) {
|
|
var _mode = QRMode.MODE_ALPHA_NUM;
|
|
var _data = data;
|
|
|
|
var _this = {};
|
|
|
|
_this.getMode = function() {
|
|
return _mode;
|
|
};
|
|
|
|
_this.getLength = function(buffer) {
|
|
return _data.length;
|
|
};
|
|
|
|
_this.write = function(buffer) {
|
|
var s = _data;
|
|
|
|
var i = 0;
|
|
|
|
while (i + 1 < s.length) {
|
|
buffer.put(getCode(s.charAt(i)) * 45 + getCode(s.charAt(i + 1)), 11);
|
|
i += 2;
|
|
}
|
|
|
|
if (i < s.length) {
|
|
buffer.put(getCode(s.charAt(i)), 6);
|
|
}
|
|
};
|
|
|
|
var getCode = function(c) {
|
|
if ('0' <= c && c <= '9') {
|
|
return c.charCodeAt(0) - '0'.charCodeAt(0);
|
|
} else if ('A' <= c && c <= 'Z') {
|
|
return c.charCodeAt(0) - 'A'.charCodeAt(0) + 10;
|
|
} else {
|
|
switch (c) {
|
|
case ' ':
|
|
return 36;
|
|
case '$':
|
|
return 37;
|
|
case '%':
|
|
return 38;
|
|
case '*':
|
|
return 39;
|
|
case '+':
|
|
return 40;
|
|
case '-':
|
|
return 41;
|
|
case '.':
|
|
return 42;
|
|
case '/':
|
|
return 43;
|
|
case ':':
|
|
return 44;
|
|
default:
|
|
throw 'illegal char :' + c;
|
|
}
|
|
}
|
|
};
|
|
|
|
return _this;
|
|
};
|
|
|
|
//---------------------------------------------------------------------
|
|
// qr8BitByte
|
|
//---------------------------------------------------------------------
|
|
|
|
var qr8BitByte = function(data) {
|
|
var _mode = QRMode.MODE_8BIT_BYTE;
|
|
var _data = data;
|
|
var _bytes = qrcode.stringToBytes(data);
|
|
|
|
var _this = {};
|
|
|
|
_this.getMode = function() {
|
|
return _mode;
|
|
};
|
|
|
|
_this.getLength = function(buffer) {
|
|
return _bytes.length;
|
|
};
|
|
|
|
_this.write = function(buffer) {
|
|
for (var i = 0; i < _bytes.length; i += 1) {
|
|
buffer.put(_bytes[i], 8);
|
|
}
|
|
};
|
|
|
|
return _this;
|
|
};
|
|
|
|
//---------------------------------------------------------------------
|
|
// qrKanji
|
|
//---------------------------------------------------------------------
|
|
|
|
var qrKanji = function(data) {
|
|
var _mode = QRMode.MODE_KANJI;
|
|
var _data = data;
|
|
|
|
var stringToBytes = qrcode.stringToBytesFuncs['SJIS'];
|
|
if (!stringToBytes) {
|
|
throw 'sjis not supported.';
|
|
}
|
|
!(function(c, code) {
|
|
// self test for sjis support.
|
|
var test = stringToBytes(c);
|
|
if (test.length != 2 || ((test[0] << 8) | test[1]) != code) {
|
|
throw 'sjis not supported.';
|
|
}
|
|
})('\u53cb', 0x9746);
|
|
|
|
var _bytes = stringToBytes(data);
|
|
|
|
var _this = {};
|
|
|
|
_this.getMode = function() {
|
|
return _mode;
|
|
};
|
|
|
|
_this.getLength = function(buffer) {
|
|
return ~~(_bytes.length / 2);
|
|
};
|
|
|
|
_this.write = function(buffer) {
|
|
var data = _bytes;
|
|
|
|
var i = 0;
|
|
|
|
while (i + 1 < data.length) {
|
|
var c = ((0xff & data[i]) << 8) | (0xff & data[i + 1]);
|
|
|
|
if (0x8140 <= c && c <= 0x9ffc) {
|
|
c -= 0x8140;
|
|
} else if (0xe040 <= c && c <= 0xebbf) {
|
|
c -= 0xc140;
|
|
} else {
|
|
throw 'illegal char at ' + (i + 1) + '/' + c;
|
|
}
|
|
|
|
c = ((c >>> 8) & 0xff) * 0xc0 + (c & 0xff);
|
|
|
|
buffer.put(c, 13);
|
|
|
|
i += 2;
|
|
}
|
|
|
|
if (i < data.length) {
|
|
throw 'illegal char at ' + (i + 1);
|
|
}
|
|
};
|
|
|
|
return _this;
|
|
};
|
|
|
|
//=====================================================================
|
|
// GIF Support etc.
|
|
//
|
|
|
|
//---------------------------------------------------------------------
|
|
// byteArrayOutputStream
|
|
//---------------------------------------------------------------------
|
|
|
|
var byteArrayOutputStream = function() {
|
|
var _bytes = [];
|
|
|
|
var _this = {};
|
|
|
|
_this.writeByte = function(b) {
|
|
_bytes.push(b & 0xff);
|
|
};
|
|
|
|
_this.writeShort = function(i) {
|
|
_this.writeByte(i);
|
|
_this.writeByte(i >>> 8);
|
|
};
|
|
|
|
_this.writeBytes = function(b, off, len) {
|
|
off = off || 0;
|
|
len = len || b.length;
|
|
for (var i = 0; i < len; i += 1) {
|
|
_this.writeByte(b[i + off]);
|
|
}
|
|
};
|
|
|
|
_this.writeString = function(s) {
|
|
for (var i = 0; i < s.length; i += 1) {
|
|
_this.writeByte(s.charCodeAt(i));
|
|
}
|
|
};
|
|
|
|
_this.toByteArray = function() {
|
|
return _bytes;
|
|
};
|
|
|
|
_this.toString = function() {
|
|
var s = '';
|
|
s += '[';
|
|
for (var i = 0; i < _bytes.length; i += 1) {
|
|
if (i > 0) {
|
|
s += ',';
|
|
}
|
|
s += _bytes[i];
|
|
}
|
|
s += ']';
|
|
return s;
|
|
};
|
|
|
|
return _this;
|
|
};
|
|
|
|
//---------------------------------------------------------------------
|
|
// base64EncodeOutputStream
|
|
//---------------------------------------------------------------------
|
|
|
|
var base64EncodeOutputStream = function() {
|
|
var _buffer = 0;
|
|
var _buflen = 0;
|
|
var _length = 0;
|
|
var _base64 = '';
|
|
|
|
var _this = {};
|
|
|
|
var writeEncoded = function(b) {
|
|
_base64 += String.fromCharCode(encode(b & 0x3f));
|
|
};
|
|
|
|
var encode = function(n) {
|
|
if (n < 0) {
|
|
// error.
|
|
} else if (n < 26) {
|
|
return 0x41 + n;
|
|
} else if (n < 52) {
|
|
return 0x61 + (n - 26);
|
|
} else if (n < 62) {
|
|
return 0x30 + (n - 52);
|
|
} else if (n == 62) {
|
|
return 0x2b;
|
|
} else if (n == 63) {
|
|
return 0x2f;
|
|
}
|
|
throw 'n:' + n;
|
|
};
|
|
|
|
_this.writeByte = function(n) {
|
|
_buffer = (_buffer << 8) | (n & 0xff);
|
|
_buflen += 8;
|
|
_length += 1;
|
|
|
|
while (_buflen >= 6) {
|
|
writeEncoded(_buffer >>> (_buflen - 6));
|
|
_buflen -= 6;
|
|
}
|
|
};
|
|
|
|
_this.flush = function() {
|
|
if (_buflen > 0) {
|
|
writeEncoded(_buffer << (6 - _buflen));
|
|
_buffer = 0;
|
|
_buflen = 0;
|
|
}
|
|
|
|
if (_length % 3 != 0) {
|
|
// padding
|
|
var padlen = 3 - (_length % 3);
|
|
for (var i = 0; i < padlen; i += 1) {
|
|
_base64 += '=';
|
|
}
|
|
}
|
|
};
|
|
|
|
_this.toString = function() {
|
|
return _base64;
|
|
};
|
|
|
|
return _this;
|
|
};
|
|
|
|
//---------------------------------------------------------------------
|
|
// base64DecodeInputStream
|
|
//---------------------------------------------------------------------
|
|
|
|
var base64DecodeInputStream = function(str) {
|
|
var _str = str;
|
|
var _pos = 0;
|
|
var _buffer = 0;
|
|
var _buflen = 0;
|
|
|
|
var _this = {};
|
|
|
|
_this.read = function() {
|
|
while (_buflen < 8) {
|
|
if (_pos >= _str.length) {
|
|
if (_buflen == 0) {
|
|
return -1;
|
|
}
|
|
throw 'unexpected end of file./' + _buflen;
|
|
}
|
|
|
|
var c = _str.charAt(_pos);
|
|
_pos += 1;
|
|
|
|
if (c == '=') {
|
|
_buflen = 0;
|
|
return -1;
|
|
} else if (c.match(/^\s$/)) {
|
|
// ignore if whitespace.
|
|
continue;
|
|
}
|
|
|
|
_buffer = (_buffer << 6) | decode(c.charCodeAt(0));
|
|
_buflen += 6;
|
|
}
|
|
|
|
var n = (_buffer >>> (_buflen - 8)) & 0xff;
|
|
_buflen -= 8;
|
|
return n;
|
|
};
|
|
|
|
var decode = function(c) {
|
|
if (0x41 <= c && c <= 0x5a) {
|
|
return c - 0x41;
|
|
} else if (0x61 <= c && c <= 0x7a) {
|
|
return c - 0x61 + 26;
|
|
} else if (0x30 <= c && c <= 0x39) {
|
|
return c - 0x30 + 52;
|
|
} else if (c == 0x2b) {
|
|
return 62;
|
|
} else if (c == 0x2f) {
|
|
return 63;
|
|
} else {
|
|
throw 'c:' + c;
|
|
}
|
|
};
|
|
|
|
return _this;
|
|
};
|
|
|
|
//---------------------------------------------------------------------
|
|
// gifImage (B/W)
|
|
//---------------------------------------------------------------------
|
|
|
|
var gifImage = function(width, height) {
|
|
var _width = width;
|
|
var _height = height;
|
|
var _data = new Array(width * height);
|
|
|
|
var _this = {};
|
|
|
|
_this.setPixel = function(x, y, pixel) {
|
|
_data[y * _width + x] = pixel;
|
|
};
|
|
|
|
_this.write = function(out) {
|
|
//---------------------------------
|
|
// GIF Signature
|
|
|
|
out.writeString('GIF87a');
|
|
|
|
//---------------------------------
|
|
// Screen Descriptor
|
|
|
|
out.writeShort(_width);
|
|
out.writeShort(_height);
|
|
|
|
out.writeByte(0x80); // 2bit
|
|
out.writeByte(0);
|
|
out.writeByte(0);
|
|
|
|
//---------------------------------
|
|
// Global Color Map
|
|
|
|
// black
|
|
out.writeByte(0x00);
|
|
out.writeByte(0x00);
|
|
out.writeByte(0x00);
|
|
|
|
// white
|
|
out.writeByte(0xff);
|
|
out.writeByte(0xff);
|
|
out.writeByte(0xff);
|
|
|
|
//---------------------------------
|
|
// Image Descriptor
|
|
|
|
out.writeString(',');
|
|
out.writeShort(0);
|
|
out.writeShort(0);
|
|
out.writeShort(_width);
|
|
out.writeShort(_height);
|
|
out.writeByte(0);
|
|
|
|
//---------------------------------
|
|
// Local Color Map
|
|
|
|
//---------------------------------
|
|
// Raster Data
|
|
|
|
var lzwMinCodeSize = 2;
|
|
var raster = getLZWRaster(lzwMinCodeSize);
|
|
|
|
out.writeByte(lzwMinCodeSize);
|
|
|
|
var offset = 0;
|
|
|
|
while (raster.length - offset > 255) {
|
|
out.writeByte(255);
|
|
out.writeBytes(raster, offset, 255);
|
|
offset += 255;
|
|
}
|
|
|
|
out.writeByte(raster.length - offset);
|
|
out.writeBytes(raster, offset, raster.length - offset);
|
|
out.writeByte(0x00);
|
|
|
|
//---------------------------------
|
|
// GIF Terminator
|
|
out.writeString(';');
|
|
};
|
|
|
|
var bitOutputStream = function(out) {
|
|
var _out = out;
|
|
var _bitLength = 0;
|
|
var _bitBuffer = 0;
|
|
|
|
var _this = {};
|
|
|
|
_this.write = function(data, length) {
|
|
if (data >>> length != 0) {
|
|
throw 'length over';
|
|
}
|
|
|
|
while (_bitLength + length >= 8) {
|
|
_out.writeByte(0xff & ((data << _bitLength) | _bitBuffer));
|
|
length -= 8 - _bitLength;
|
|
data >>>= 8 - _bitLength;
|
|
_bitBuffer = 0;
|
|
_bitLength = 0;
|
|
}
|
|
|
|
_bitBuffer = (data << _bitLength) | _bitBuffer;
|
|
_bitLength = _bitLength + length;
|
|
};
|
|
|
|
_this.flush = function() {
|
|
if (_bitLength > 0) {
|
|
_out.writeByte(_bitBuffer);
|
|
}
|
|
};
|
|
|
|
return _this;
|
|
};
|
|
|
|
var getLZWRaster = function(lzwMinCodeSize) {
|
|
var clearCode = 1 << lzwMinCodeSize;
|
|
var endCode = (1 << lzwMinCodeSize) + 1;
|
|
var bitLength = lzwMinCodeSize + 1;
|
|
|
|
// Setup LZWTable
|
|
var table = lzwTable();
|
|
|
|
for (var i = 0; i < clearCode; i += 1) {
|
|
table.add(String.fromCharCode(i));
|
|
}
|
|
table.add(String.fromCharCode(clearCode));
|
|
table.add(String.fromCharCode(endCode));
|
|
|
|
var byteOut = byteArrayOutputStream();
|
|
var bitOut = bitOutputStream(byteOut);
|
|
|
|
// clear code
|
|
bitOut.write(clearCode, bitLength);
|
|
|
|
var dataIndex = 0;
|
|
|
|
var s = String.fromCharCode(_data[dataIndex]);
|
|
dataIndex += 1;
|
|
|
|
while (dataIndex < _data.length) {
|
|
var c = String.fromCharCode(_data[dataIndex]);
|
|
dataIndex += 1;
|
|
|
|
if (table.contains(s + c)) {
|
|
s = s + c;
|
|
} else {
|
|
bitOut.write(table.indexOf(s), bitLength);
|
|
|
|
if (table.size() < 0xfff) {
|
|
if (table.size() == 1 << bitLength) {
|
|
bitLength += 1;
|
|
}
|
|
|
|
table.add(s + c);
|
|
}
|
|
|
|
s = c;
|
|
}
|
|
}
|
|
|
|
bitOut.write(table.indexOf(s), bitLength);
|
|
|
|
// end code
|
|
bitOut.write(endCode, bitLength);
|
|
|
|
bitOut.flush();
|
|
|
|
return byteOut.toByteArray();
|
|
};
|
|
|
|
var lzwTable = function() {
|
|
var _map = {};
|
|
var _size = 0;
|
|
|
|
var _this = {};
|
|
|
|
_this.add = function(key) {
|
|
if (_this.contains(key)) {
|
|
throw 'dup key:' + key;
|
|
}
|
|
_map[key] = _size;
|
|
_size += 1;
|
|
};
|
|
|
|
_this.size = function() {
|
|
return _size;
|
|
};
|
|
|
|
_this.indexOf = function(key) {
|
|
return _map[key];
|
|
};
|
|
|
|
_this.contains = function(key) {
|
|
return typeof _map[key] != 'undefined';
|
|
};
|
|
|
|
return _this;
|
|
};
|
|
|
|
return _this;
|
|
};
|
|
|
|
var createDataURL = function(width, height, getPixel) {
|
|
var gif = gifImage(width, height);
|
|
for (var y = 0; y < height; y += 1) {
|
|
for (var x = 0; x < width; x += 1) {
|
|
gif.setPixel(x, y, getPixel(x, y));
|
|
}
|
|
}
|
|
|
|
var b = byteArrayOutputStream();
|
|
gif.write(b);
|
|
|
|
var base64 = base64EncodeOutputStream();
|
|
var bytes = b.toByteArray();
|
|
for (var i = 0; i < bytes.length; i += 1) {
|
|
base64.writeByte(bytes[i]);
|
|
}
|
|
base64.flush();
|
|
|
|
return 'data:image/gif;base64,' + base64;
|
|
};
|
|
|
|
//---------------------------------------------------------------------
|
|
// returns qrcode function.
|
|
|
|
return qrcode;
|
|
})();
|
|
|
|
// multibyte support
|
|
!(function() {
|
|
qrcode.stringToBytesFuncs['UTF-8'] = function(s) {
|
|
// http://stackoverflow.com/questions/18729405/how-to-convert-utf8-string-to-byte-array
|
|
function toUTF8Array(str) {
|
|
var utf8 = [];
|
|
for (var i = 0; i < str.length; i++) {
|
|
var charcode = str.charCodeAt(i);
|
|
if (charcode < 0x80) utf8.push(charcode);
|
|
else if (charcode < 0x800) {
|
|
utf8.push(0xc0 | (charcode >> 6), 0x80 | (charcode & 0x3f));
|
|
} else if (charcode < 0xd800 || charcode >= 0xe000) {
|
|
utf8.push(
|
|
0xe0 | (charcode >> 12),
|
|
0x80 | ((charcode >> 6) & 0x3f),
|
|
0x80 | (charcode & 0x3f)
|
|
);
|
|
}
|
|
// surrogate pair
|
|
else {
|
|
i++;
|
|
// UTF-16 encodes 0x10000-0x10FFFF by
|
|
// subtracting 0x10000 and splitting the
|
|
// 20 bits of 0x0-0xFFFFF into two halves
|
|
charcode =
|
|
0x10000 +
|
|
(((charcode & 0x3ff) << 10) | (str.charCodeAt(i) & 0x3ff));
|
|
utf8.push(
|
|
0xf0 | (charcode >> 18),
|
|
0x80 | ((charcode >> 12) & 0x3f),
|
|
0x80 | ((charcode >> 6) & 0x3f),
|
|
0x80 | (charcode & 0x3f)
|
|
);
|
|
}
|
|
}
|
|
return utf8;
|
|
}
|
|
return toUTF8Array(s);
|
|
};
|
|
})();
|
|
|
|
(function(factory) {
|
|
if (typeof define === 'function' && define.amd) {
|
|
define([], factory);
|
|
} else if (typeof exports === 'object') {
|
|
module.exports = factory();
|
|
}
|
|
})(function() {
|
|
return qrcode;
|
|
});
|